In 2005, Moore produced two independent EPs, The Whitesican EP and nerd. He created animated music videos for the songs "Whitesican" and "David's Sister" (both from The Whitesican EP), which gave him notoriety after they appeared on Albino Blacksheep. In 2006, Moore, in conjunction with Nerdy South Records, released his first full-length album, Tube Technology.[3] In August 2008, he released his album Rolling Doubles as a digital download through Amazon and iTunes[4]

Moore contributed to the Rhyme Torrents compilation, contributing both music and original cover artwork.[5][6][7][8][9] He can also be found in two documentaries on the Nerdcore movement – Nerdcore Rising, covering MC Frontalot on his first national tour,[10] and the Nerdcore For Life documentary which covers other nerdcore artists.[11] He has been interviewed on NPR,[12]Ka Leo O Hawaii, [13][14] and has also been mentioned more than once in the blogs at G4tv.[15][16] He was also ranked number 5 in the Hipster, Please poll of the top 10 nerdcore hip-hop artists.

In December 2007, The Grammar Club released their debut EP Bremelanotide. The Grammar Club are a five-piece band featuring Beefy, along with Shael Riley, DJ Snyder, Adam!, and Glenn Case.

In February 2009, Beefy attended "Glitched: The Dutch Nerdcore Event,"[17] the first major nerdcore event to be held outside the United States. It was held in Club Panama in Amsterdam and featured the film "Nerdcore for Life"[18] as well as performances from his fellow rappers MC Router, MC Lars, and YTCracker. In July 2009, Beefy performed at Nerdapalooza, the largest nerdcore hip hop event in North America.